Mesh loading problem

Im loading mesh with this script

  BABYLON.SceneLoader.Append("./assets/", "Low_Note8.gltf", scene, function (scene) {

and it gives me this error.

any ideas why it happens? All the forums i read didnt helped me Thanks

Have you imported the babylonjs-loaders library?
You can find more information in Load from any file type - glTF, OBJ, STL, etc. - Babylon.js Documentation

Yeah, I imported this one
Though ill read again the article and try it out more

Can you try to drag and drop you gtlf file and all its data to

I had an issue with the loader at
It reversed the normals of my model. When I used the loader from: xxx

It worked as it should. So maybe try that loader first.